Buying a penthouse in Prague: what drives the price

The terrace, the view, the ceiling height and the condition of the roof all matter. We explain what commands a premium in Prague's penthouse market, where the technical risks lie, and how to check a rooftop apartment before you sign a contract.

The price of a penthouse in Prague is driven above all by location. On top of that comes a premium for a private terrace, an unobstructed view, generous ceiling height and a level of privacy that the lower floors cannot offer. When buying, it is just as important to check the condition of the roof and the terrace waterproofing, and to find out how the declaration of ownership (prohlášení vlastníka) defines the terrace and the roof. By law these are common parts of the building, so their repair is not a matter for you alone.

A true penthouse, or simply a top-floor flat?

The word penthouse is used very loosely in property listings. A true penthouse usually occupies the whole floor or a large part of it. It is set back from the façade, which is why it has a terrace around the apartment, and it offers privacy: often a private lift or direct access from the lift, no neighbours on the same floor and very few windows facing yours. A top-floor flat with a balcony and sloping walls under the roof trusses is a different product and should be valued differently. Before a viewing, it is therefore worth checking three things: the actual usable floor area of the apartment excluding terraces, the size and orientation of the outdoor spaces, and how many other units share the same floor.

Penthouse prices in Prague by location

No institution publishes separate statistics on penthouse prices, so valuations are based on prices of premium new-build apartments and on comparisons with specific transactions. According to the Deloitte Develop Index, the average asking price of new apartments in Prague 1 in the first quarter of 2026 was approximately CZK 317,800 per square metre. In the second quarter of 2026 it was around CZK 265,100 in Prague 2, roughly CZK 237,400 in Prague 7 and CZK 182,700 per square metre across Prague as a whole. For Prague 1, the index did not publish an average for the second quarter for methodological reasons, as a sufficiently large representative sample was not available. This captures the city centre well: there are few new apartments and each transaction moves the average significantly. According to e15, in summer 2025 prices in the most luxurious projects in the centre were approaching CZK 300,000 per square metre.

A penthouse usually sells at a premium over standard apartments in the same building. The size of that premium is not fixed, however. It depends on exactly what extra the penthouse offers: its position, the view, the size of the terrace and the degree of privacy. In attractive locations with views of the Vltava or Prague Castle, the premium tends to be higher than in outlying districts, where a rooftop apartment in a new development is often priced only slightly above the lower floors. The figures quoted are asking prices. Prices actually paid may differ, and for large units they are negotiated individually.

Terrace and view: how they are valued

A terrace does not count towards the price in the same way as interior floor space. In practice it is valued at a fraction of the price per square metre of the apartment, and usability matters: a terrace with room for a dining table, an outdoor kitchen and planting is worth more than a narrow strip along the façade. Orientation, shelter from wind and rain, and whether the terrace is overlooked by neighbours also play a role. With a view, buyers pay for the certainty that it will last. Check the zoning plan (územní plán) and ask the building authority whether any construction is planned nearby that could block the view. A panorama of Hradčany or the river has lasting value for a future sale; a view over a vacant plot earmarked for development may not.

Other components of the premium to consider when valuing a penthouse:

ceiling height, ideally above three metres in premium apartments and considerably more in historic buildings
glazing and the option of shading without altering the appearance of the building
a private lift, or a lift that stops directly inside the apartment
cooling, heat-recovery ventilation, smart home control and provision for a pool or hot tub on the terrace
two or more parking spaces and a storage room in the same building

Technical risks: roof insulation, leaks and overheating

A rooftop apartment is the most exposed to the weather, and its most expensive defects are hidden from view. The main risk is the waterproofing beneath the terrace: paving, planting or a pool cover it up, and leaks often appear only years later – sometimes in the apartment below yours. Ask for the design documentation of the roof build-up, the warranty certificates for the waterproofing and inspection records. Where there are suspicious spots, a thermal imaging survey or a leak test is worthwhile. The second risk is overheating in summer. Large glazed areas without external shading and poor thermal insulation of the ceiling mean high cooling costs and less comfort. Ask about external blinds or awnings, the type of glazing and whether air-conditioning units may be placed on the roof. Check the structural capacity too: mature planting, a hot tub or a pool on the terrace represent a considerable load and must be accounted for in the design.

Share in the common parts and your relationship with the owners' association

Under the Civil Code and Government Regulation No. 366/2013 Coll., the roof, the load-bearing structures and also terraces, loggias and balconies are common parts of the building. If they are accessible only from your apartment, you have exclusive use of them, but you do not own them separately. In buildings divided into units under the older 1994 act, the declaration of ownership may define the terrace differently, which is why it needs to be read in full. For a penthouse buyer this has practical consequences: decisions on roof repairs are taken by the owners' association (společenství vlastníků jednotek, SVJ), alterations to the terrace such as a pergola, a pool or planting may require its consent, and the articles of association may specify who bears the costs associated with exclusive use. Before buying, ask for the declaration of ownership, the articles of association, the minutes of general meetings from recent years, the balance of the repair fund and information on any planned roof repairs. A large unit often comes with a large co-ownership share, and therefore a greater vote, but also a greater share of the costs.

New build or historic rooftop extension?

A penthouse in a new build offers modern technology, energy efficiency and developer warranties. Do check, however, that the occupancy approval (kolaudace) and the handover protocol match what you are buying, and how financially stable the developer is in case of warranty claims. An attic conversion or rooftop extension on an apartment building offers an address, character and often a unique view, but it carries its own risks: the quality of the connection to the original structures, the condition of the roof trusses and chimneys, fire safety and whether the construction complies with its permit. For extensions in a conservation area, alterations may be subject to heritage protection requirements. Ask to see the building permit and the occupancy approval decision and compare them with the actual condition – for example, whether the terrace or roof windows were built without a permit.

Why sought-after penthouses sell off-market

There are few rooftop apartments on the market with a large terrace and a view in a good location. Owners also often do not want their apartment to appear on property portals – for reasons of privacy and security, and also so that an offer left publicly listed for a long time does not lose value. As a result, many transactions take place off-market, between vetted buyers with proven financing. For the buyer, this means having financing in place and a clear brief in advance. For the seller, it means having complete documentation, including the technical condition of the roof and terraces, because a serious buyer will want to see it right at the start.

Foreign buyers can acquire property in the Czech Republic without restriction; the Foreign Exchange Act removed such restrictions in 2011. Standard checks on the source of funds under anti-money laundering regulations do apply, however, and the purchase in itself does not confer a right of residence. Ownership arises only upon registration in the Land Registry (katastr nemovitostí). The administrative fee for the application for registration (návrh na vklad) is CZK 2,000, or CZK 1,600 for electronic filing via the Land Registry Portal or a data box (datová schránka), subject to the specified conditions.

Frequently asked questions

Is the penthouse terrace my property? As a rule, no. Under current legislation the terrace is a common part of the building that you have exclusive use of if it is accessible only from your apartment. The wording of the declaration of ownership is decisive, especially in buildings divided into units before 2014.

Who pays for repairs if water leaks through the terrace into the apartment below? The waterproofing and the roof are common parts, so their repair is generally arranged by the owners' association from the repair fund. The articles of association may, however, set out a different allocation of costs, and you may be personally liable for damage caused, for example, by a structure you have built on the terrace. It always depends on the specific case.

Can I buy a penthouse in Prague as a foreigner? Yes, Czech law does not restrict foreigners from buying an apartment. Expect checks on the source of funds, translation of documents and the fact that ownership arises only upon registration in the Land Registry. Before signing a contract, we recommend checking the legal and tax implications with a lawyer and a tax adviser, particularly if you are buying through a company or from abroad.

DALILE LIVING can help with the valuation and discreet off-market sale of a penthouse, as well as with checking a rooftop apartment before purchase. If you are planning alterations to the terrace or the interior, we also offer apartment renovation.